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TTC Meeting at DESY, March 24 - 27, 2014

Mar 24 – 27, 2014
DESY Hamburg
Europe/Berlin timezone

Contribution List

177 / 177
1. Introduction and update since last collaboration meeting
Dr Olivier Napoly (CEA-Saclay)
3/24/14, 9:00 AM
2. DESY Welcome & logistics
Hans Weise (DESY)
3/24/14, 9:20 AM
3. CEBAF Upgrade Experience
Drury Mike (JLAB)
3/24/14, 9:30 AM
4. First Beam Recirculation and Energy Recovery in Compact-ERL at KEK
Shogo Sakanaka (KEK)
3/24/14, 10:00 AM
5. ESS SRF
Christine Darve (ESS)
3/24/14, 11:00 AM
6. European XFEL Accelerator Module Assembly
Mr Stéphane BERRY (CEA-Saclay)
3/24/14, 11:30 AM
7. FLASH Operational Experience
Dr Siegfried Schreiber (DESY)
3/24/14, 12:00 PM
8. Niobium materials (FG/LG), impurities, etc.
Dr Peter Kneisel (Jefferson Lab)
3/24/14, 2:00 PM
Highligh Talk from above mentioned field to be proposed by WG2 conveners
9. Optical inspection by OBACHT (DESY) and other inspection elsewhere from other laboratories
Dr Aliaksandr Navitski (Deutsches Elektronen Synchrotron)
3/24/14, 2:20 PM
Highlight talk proposed by WG1
10. Cavity and module testing for XFEL at DESY
Mr Jacek Swierblewski (MKS 1)
3/24/14, 2:40 PM
Highlight talk proposed by WP8
11. Observation that fast cooldown maintains high Q0 better than slow cooldown
Anna Grasselino (FNAL)
3/24/14, 3:00 PM
Highlight talk proposed by WG2, WG3, WG5, and WG8
26. Difficulties in fabrication, preparation and comissioning of input couplers
Jiyuan Zhai (IHEP)
3/24/14, 3:40 PM
12. Split quadrupole magnet design for ILC/KEK-STF
Vladimir Kashikhin (FNAL)
3/24/14, 4:00 PM
Highlight talk proposed by WG7
13. Limits for peak fields and gradient in low-beta cavities for high intensity projects
Dr Yuan He (Institute of Modern Physics, CAS)
3/24/14, 4:20 PM
Highlight talk proposed by WG6
14. Recent development in spoke resonators
Guillaume Olry
3/24/14, 4:40 PM
Proposed by WG6
56. Copper plating specifications, XFEL, LCLS-II, KEK, ERL Cornell, CERN
Wolf-Dietrich Möller (DESY)
3/25/14, 8:30 AM
27. KEK experiences in SCRF cavity fabrication, with focusing on the EBW work parameterization and optimization
Mr Kensei Umemori (KEK)
3/25/14, 8:30 AM
77. SNS High Intensity Experience
Dr Sang-ho Kim (Oak Ridge National Laboratory)
3/25/14, 8:30 AM
57. Copper plating methods
Sergio Calatroni (CERN)
3/25/14, 8:45 AM
78. ESS low beta elliptical
Stephen Molloy
3/25/14, 8:45 AM
161. What he companies considered as “hard to achieve” of our specs and request: provocative discussion
Mr Giorgio Corniani (Ettore Zanon s.p.a.), Mr Michael Pekeler (RI Research Instruments GmbH)
3/25/14, 8:50 AM
58. Thermal simulations, pulsed CW, XFEL, others
Dr Denis Kostin (DESY)
3/25/14, 8:55 AM
79. IMP experience
Dr Yuan He (Institute of Modern Physics, CAS)
3/25/14, 9:00 AM
59. Investigation methods, destructive and non-destructive
Mr Alexey Ermakov (DESY)
3/25/14, 9:05 AM
132. Cryomodule Design
Yuqin Wan
3/25/14, 9:15 AM
60. Real defects, examples, classification at XFEL
Dr Walid kaabi (LAL)
3/25/14, 9:15 AM
162. Successful development of new fabrication technique using based on laser welding, for SCRF cavities - Results and path ahead.
Mr Prashant khare (Raja Ramanna Centre for Advanced Technology)
3/25/14, 9:20 AM
61. Experience with defects in copper plating at HTS (SLAC/CPI/FNAL ILC collaboration)
Mr Kenneth Premo (Fermilab)
3/25/14, 9:25 AM
80. HIE-Isolde
Alban Sublet (CERN)
3/25/14, 9:30 AM
62. Method and experience of copper plating at Toshiba
Osamu Yushiro (Toshiba)
3/25/14, 9:35 AM
163. Typical problems with EBW welding observed with OBACHT
Dr Aliaksandr Navitski (Deutsches Elektronen Synchrotron)
3/25/14, 9:40 AM
63. Copper plating issues at Cornell
Vadim Veshcherevich (Cornell Univrsity)
3/25/14, 9:45 AM
133. Discussion
3/25/14, 9:45 AM
164. PED approach for 3.9 GHz XFEL cavities.
Mr Massimiliano Moretti (INFN Milan - LASA)
3/25/14, 9:55 AM
64. QC during mass production - Discussion
Wolf-Dietrich Möller (DESY)
3/25/14, 9:55 AM
82. Discussion . spoke material: IPN
Guillaume Olry (IPN)
3/25/14, 10:30 AM
66. XFEL coupler
Dr Walid kaabi (LAL)
3/25/14, 10:40 AM
83. Discussion . spoke material: FNAL
Allan Rowe (Fermilab)
3/25/14, 10:45 AM
67. KEK-cERL, ML coupler
Dr Hiroshi Sakai (KEK)
3/25/14, 10:50 AM
55. Statistics on EP treatment of EXFEL cavities in series production
Ms Michela Rizzi (Ettore Zanon SpA)
3/25/14, 10:50 AM
84. Discussion - multipacting simulation/experience: IPN
Dr David Longuevergne (Institut de Physique Nucléaire d'Orsay)
3/25/14, 11:00 AM
68. TTF3-SLAC/FNAL coupler
Mr Kenneth Premo (Fermilab)
3/25/14, 11:00 AM
69. SPIRAL2 coupler
Yolanda GOMEZ MARTINEZ (LPSC / IN2P3)
3/25/14, 11:10 AM
165. XFEL Series Cavity fabrication – Documentation issues
Mr Jens Iversen (DESY - Deutsches Elektronen Synchrotron)
3/25/14, 11:10 AM
85. Discussion - multipacting simulation/experience: FNAL
Dr Dmitri Sergatskov (Fermilab), Timergali Khabiboulline (Fermilab)
3/25/14, 11:15 AM
70. What is the best preparation procedure? Discussion...
Eiji Kako (KEK)
3/25/14, 11:20 AM
71. Coupler design: TTF-3 coupler modification for LCLS-II CW
Dr Nikolay Solyak (Fermilab)
3/25/14, 11:30 AM
86. Discussion - low frequency residual resistance: IPN
Dr David Longuevergne (Institut de Physique Nucléaire d'Orsay)
3/25/14, 11:30 AM
166. RF Aspects of Quality Control for the European-XFEL Cavities
Dr Alexey Sulimov (DESY)
3/25/14, 11:30 AM
87. Discussion - low frequency residual resistance: FNAL
Anna Grassellino (FNAL)
3/25/14, 11:45 AM
167. Studies of frequency variation with EP treatments performed by EZ
Dr Ambra Gresele (E.Zanon)
3/25/14, 11:50 AM
74. CW coupler for BerlinPro/HZB
Dr Vasim Khan (Helmholtz Zentrum Berlin)
3/25/14, 12:00 PM
168. Current status of Dubna-Minsk common activity on manufacturing of elliptical Nb cavity
Dr Nikolay AZARYAN (JINR)
3/25/14, 12:10 PM
75. CW coupler for Cornell ERL
Vadim Veshcherevich (Cornell Univrsity)
3/25/14, 12:10 PM
76. ESS coupler design
Dr Stephen Molloy (ESS)
3/25/14, 12:20 PM
90. Radiation measurement and comparison between VT/CM tests
3/25/14, 1:30 PM
88. Set of discussion guiding questions
Dr Waldemar Singer (DESY)
3/25/14, 1:30 PM
43. • Modifications for CW operation for LCLS-II
Mr Tom Peterson (FNAL), Yuriy Orlov (FNAL)
3/25/14, 1:30 PM
119. Experiences to large scale production of Nb cavity material for CEBAF Upgrade and SNS
Charles Reece (Jefferson Lab)
3/25/14, 1:35 PM
120. Experiences to large scale production of Nb cavity material for European XFEL
Dr Waldemar Singer (DESY)
3/25/14, 1:45 PM
44. • French light Source Lunex
Mr Massamba DIOP (Synchrotron SOLEIL)
3/25/14, 1:50 PM
121. Comparison LG-FG Nb properties
Dr Peter Kneisel (Jefferson Lab)
3/25/14, 2:00 PM
137. LG vs FG (FNAL data, and DESY data analysis from Alex M)
Anna Grassellino (FNAL)
3/25/14, 2:10 PM
45. • Experience commissioning CW daresbury CM
Mr Alan Wheelhouse (ASTeC/STFC)
3/25/14, 2:10 PM
122. Foreign material inclusions in the Nb cavity material for European XFEL
Mrs Xenia Singer (DESY)
3/25/14, 2:20 PM
123. Analysis of surface damage layer in cavity Nb
Dr Claire Antoine (CEA)
3/25/14, 2:30 PM
135. Components and methods of Cavity/CM tests
3/25/14, 2:30 PM
134. HZB experience with CW operation at the HoBiCaT test facility (A. Neumann - Helmhotz Berlin)
Dr Axel Neumann (Scientist, SRF)
3/25/14, 2:30 PM
138. Discussion of material requirement specifications
3/25/14, 2:40 PM
47. Cornell CW cryomodule, including module design for CW operation, operational experience, tuner experience …
Prof. Georg Hoffstaetter (Cornell University)
3/25/14, 2:50 PM
124. Topographic contribution to non-linearly rf losses: FG BCP cf. EP
Charles Reece (Jefferson Lab)
3/25/14, 3:00 PM
125. Clean heat treatment studies for high Q0 – JLab
Ciovati (JLAB), Dr Peter Kneisel (Jefferson Lab)
3/25/14, 3:05 PM
118. Discussion
3/25/14, 3:10 PM
139. Macro and nanohydrides for different surface processing (data from Alex R and Yulia T)
Anna Grassellino (FNAL)
3/25/14, 3:15 PM
136. Discussion
3/25/14, 3:50 PM
140. SIMS and muSR data for mfp nitrogen baked vs standard processing
Anna Grassellino (FNAL)
3/25/14, 3:50 PM
48. Improvement of cavity Q0 by so called thermal cycling
Julia Vogt (HZB)
3/25/14, 4:00 PM
129. Material activities towards high Qo @ HZB
Dr Oliver Kugeler (Helmholtz Zentrum Berlin)
3/25/14, 4:00 PM
127. Material activities towards high Qo with HT-N @ JLab
Charles Reece (Jefferson Lab)
3/25/14, 4:05 PM
141. Material activities towards high Qo @ DESY
Ms Ricarda Laasch (DESY)
3/25/14, 4:15 PM
128. Material activities towards high Qo @ DESY
Dr Jacek Sekutowicz (DESY)
3/25/14, 4:20 PM
50. XFEL experience with mass production assembly at Saclay
Dr Catherine MADEC (CEA-SAclay), Dr Olivier Napoly (CEA-Saclay), Mr Stéphane BERRY (CEA-Saclay)
3/25/14, 4:20 PM
176. Q change with quench in NbCu clad cavities
Dr Waldemar Singer (DESY)
3/25/14, 4:25 PM
142. General Discussion of material influence on Q0
3/25/14, 4:30 PM
51. FNAL experience assembling CM2
Mr Tug Arkan (Fermilab)
3/25/14, 4:40 PM
91. Modification to test programs for high Q0 (partially joint with WG2)
3/25/14, 4:45 PM
130. Transition to join WG8 17:00-18:00 for joint discussion of test condition influence on high Q0, e.g. ambient magnetic field and cooldown rate.
3/25/14, 4:50 PM
131. Joint Session with WG8
3/25/14, 5:00 PM
Test condition studies towards high Qo @ FNAL (Anna Grassellino) Test condition studies towards high Qo with HT-N @ JLab (Ari Palczewski) Test condition activities towards high Qo @ DESY, (A. Navitski, Jacek) Test condition activities towards high Qo @ HZB, (Oliver Kugeler)
49. XFEL cryomodule transportation: an update since the Beijing TTC meeting
Mr Kay Jensch (DESY), Mr Olaf Sawlanski (DESY), Mrs Serena Barbanotti (DESY)
3/25/14, 5:00 PM
54. The certification of the XFEL cold linac for operation
Serena Barbanotti
3/25/14, 5:20 PM
117. Discussion
3/25/14, 5:40 PM
173. Collaboration Board
3/25/14, 6:00 PM
143. Design, setup and commissioning of the AMTF
Dr Bernd Petersen (DESY)
3/26/14, 8:30 AM
92. Introduction Industrialization of infrastructures for CAV preparation
3/26/14, 8:30 AM
29. Experience with the production of SC XFEL magnets
Dr Fernando Toral (CIEMAT)
3/26/14, 8:35 AM
96. Industrialization of Electro polishing - view and experiences from Institute sides DESY
Nicolai Steinhau-Kuehl (DESY)
3/26/14, 8:35 AM
144. The 3.9 GHz vertical test stand at INFN Milan and the 3.9 GHz horizontal test stand at the AMTF
Daniele Sertore (INFN Milano - LASA)
3/26/14, 8:40 AM
97. Experience with installing an EP system at AES
Allan Rowe (Fermilab)
3/26/14, 8:45 AM
145. Cavity Testing at J-Lab
Dr Ari Palczewski (Jefferson National Laboratory)
3/26/14, 8:50 AM
98. View and experience from industry (E.Zanon)
Ms Michela Rizzi (Ettore Zanon SpA)
3/26/14, 8:55 AM
146. Module Testing at J-Lab
Drury Michael (JLAB)
3/26/14, 9:00 AM
30. Results from the cold and warm tests of the XFEL SC Magnet
Dr Michal Duda (IFJ PAN)
3/26/14, 9:00 AM
99. New EP systems and parameters: KEK
Dr SHIGEKI KATO (KEK)
3/26/14, 9:05 AM
147. News from vertical and horizontal test infrastructure (HoBiCaT) and test program at HZB
Dr Oliver Kugeler (Helmholtz Zentrum Berlin)
3/26/14, 9:10 AM
100. New EP systems and parameters: CEA
Fabien Eozenou (CEA)
3/26/14, 9:15 AM
31. Current Leads for the XFEL SC Magnets
Dr Heiner Brueck (DESY, MKS)
3/26/14, 9:20 AM
148. Test infrastructure and test programs for CM2 at FNAL
Dr Camille Ginsburg (Fermilab), Timergali Khabiboulline (Fermilab)
3/26/14, 9:20 AM
101. New EP systems and parameters: FNAL Bi polar EP
Allan Rowe (Fermilab)
3/26/14, 9:25 AM
32. Assembly of SC splittable quadrupole with cavitiy string at KEK-STF2
Prof. Akira Yamamoto (KEK)
3/26/14, 9:30 AM
149. Test infrastructure and test programs at KEK-STF
Dr Yasuchika Yamamoto (KEK)
3/26/14, 9:30 AM
102. Infrastructure for industrial cavity production
Mr Giorgio Corniani (Ettore Zanon s.p.a.)
3/26/14, 9:35 AM
103. JLAB equipment for retreatments and studies on infrastructures
Peter Kneisel (J lab)
3/26/14, 9:47 AM
33. Design for the splittable SC quadrupole magnets at LCLS-II (proposed)
Dr Vladimir Kashikhin (Fermilab)
3/26/14, 9:50 AM
174. SRF test infrastructure and test programs at CERN
Mr Mathieu Therasse (CERN)
3/26/14, 9:50 AM
104. CERN’s new 2K infrastructure
Dr Karl-Martin SCHIRM (CERN)
3/26/14, 9:54 AM
175. SRF test infrastructure and test programs at Cornell
Prof. Georg Hoffstaetter (Cornell University)
3/26/14, 10:00 AM
105. XFEL Cavity Retreatment+ DESY infrastructure
Mr Marco Schalwat (DESY Hamburg)
3/26/14, 10:01 AM
106. “ILC-HiGrade program at DESY: Some infrastructure for cavities repair and retreatment”
Dr Aliaksandr Navitski (Deutsches Elektronen Synchrotron)
3/26/14, 10:08 AM
34. Discussion
3/26/14, 10:10 AM
150. Discussion
3/26/14, 10:10 AM
107. Vacuum issues usage of slow pumping slow venting
Dario Rizzetto (E.Zanon)
3/26/14, 10:15 AM
108. Discussion on application of EP for repair --global once or are local once possible to avoid changing cavity length
3/26/14, 10:25 AM
35. Visit to the measurement hall and discussions
3/26/14, 10:45 AM
160. Expected testing of the ESS SRF cavities
Dr Christine Darve (European Spallation Source)
3/26/14, 11:00 AM
36. Introduction: Magnetic shielding session
Dr Mika Masuzawa (KEK)
3/26/14, 11:00 AM
109. Prep steps and Quality control at JLAB
Peter Kneisel (J lab)
3/26/14, 11:00 AM
37. Fringe Fields near SRF cavities
Ms Juliette Plouin (CEA-Saclay)
3/26/14, 11:05 AM
112. Discussion: Are there new/ Improved methods of preparation QC?
3/26/14, 11:08 AM
153. Experience at CEBAF and recovery by He processing (t.b.c)
3/26/14, 11:10 AM
110. Results from XFEL cavity production and retreatments
Dr Detlef Reschke (DESY)
3/26/14, 11:10 AM
111. Analysis of XFEL QC data in respect of success rate
Dr Laura Monaco (INFN)
3/26/14, 11:20 AM
38. Effects of the ambient magnetic field on cavity performance
3/26/14, 11:20 AM
154. Experience at FLASH
Dr Siegfried Schreiber (DESY)
3/26/14, 11:20 AM
155. Beam operation experience at STF-Quantum beam project
Dr Yasuchika Yamamoto (KEK)
3/26/14, 11:30 AM
39. Effects of the magnetic field on cavity during operation
Dr Dmitri Sergatskov (Fermilab)
3/26/14, 11:35 AM
156. Beam operation experience at cERL
Dr Hiroshi Sakai (KEK)
3/26/14, 11:40 AM
113. Discussion: Are we checking enough and are they the right parameters?
3/26/14, 11:46 AM
157. Beam operation experience at Cornell ERL 2-cell injector
Prof. Georg Hoffstaetter (Cornell University)
3/26/14, 11:50 AM
40. Strategies for choosing the shielding material suited for large scale produciton
Dr Kiyosumi Tsuchiya (KEK), Dr Olivier Napoly (CEA-Saclay)
3/26/14, 11:50 AM
114. Discussion: Which additional parameters are under development and which one could be / should be checked in addition?
3/26/14, 11:56 AM
158. KEK long term operation & experience
Mr Kensei Umemori (KEK)
3/26/14, 12:00 PM
115. Discussions on New methods of cavity preparation techniques
3/26/14, 12:06 PM
159. Discussion
3/26/14, 12:10 PM
41. Summary for WG7
Dr Heiner Brueck (DESY, MKS), Dr Mika Masuzawa (KEK)
3/26/14, 12:20 PM
169. Technical Board
3/26/14, 1:30 PM
170. AMTF & XFEL Tours (please check detailed view)
3/26/14, 2:30 PM
XFEL Tunnel Tours start from AMTF TTC Meeting Area approx. every 30 to 45 minutes. For all other tours please refer to your DESY colleagues. Please use the working group meetings to arrange for your most favorite topic.
171. Summary & Report Writing
3/26/14, 2:30 PM
172. XFEL Tour for conveners
3/26/14, 5:30 PM
15. WG1 Summary
Prof. Akira Yamamoto (KEK), Dr Paolo Michelato (INFN - LASA)
3/27/14, 9:00 AM
20. WG6 Summary
Sergio Calatroni (CERN), Dr Yuan He (Institute of Modern Physics, CAS)
3/27/14, 9:15 AM
17. WG3 Summary
Dr Karl-Martin SCHIRM (CERN), Mr axel matheisen (DESY)
3/27/14, 9:30 AM
18. WG4 Summary
Eiji Kako (KEK), Wolf-Dietrich Möller (DESY)
3/27/14, 9:45 AM
19. WG5 Summary
Dr Catherine MADEC (CEA-SAclay), Mr Tom Peterson (FNAL)
3/27/14, 10:00 AM
16. WG2 Summary
Charles Reece (Jefferson Lab), Dr Waldemar Singer (DESY)
3/27/14, 10:15 AM
21. WG7 Summary
Dr Heiner Brueck (DESY, MKS), Dr Mika Masuzawa (KEK)
3/27/14, 11:00 AM
22. WG8 Summary
Dr Camille Ginsburg (Fermilab), Dr Detlef Reschke (DESY), Dr Elmar Vogel (DESY), Mr Kensei Umemori (KEK)
3/27/14, 11:15 AM
23. TB Report
Eiji Kako (KEK)
3/27/14, 11:30 AM
24. LCLS-II Overview - SRF related
Marc Ross (SLAC)
3/27/14, 11:45 AM
25. TTC High Q0 Working Group - Report
Charles Reece (Jefferson Lab)
3/27/14, 12:10 PM
177. CB Report
Dr Olivier Napoly (CEA-Saclay)
3/27/14, 12:30 PM
72. ANL coupler for FRIB
M Kelly (ANL)
152. Cavity performance changes during beam operation
52. Characterization of tuning systems
Dr Axel Neumann (Scientist, SRF)
151. Coffee break
73. Coupler designed with HE 11 mode at SLAC
Mr Chen Xu (FLC/PET)
95. Experience with cavity performance changes during beam operation
53. Field stability and microphonics measurements and its compensation
Dr Axel Neumann (Scientist, SRF)
89. General Discussion of guiding questions
81. HIE-Isolde
Sergio Calatroni (CERN)
0. Introduction and update since last meeting
Dr Olivier Napoly (CEA-Saclay)
42. Introduction Cryomomdule changes towards CW operation
28. Introduction: Magnet session
Dr Heiner Brueck (DESY, MKS)
126. Material activities towards high Qo @ FNAL
65. Power coupler preparation before RF conditioning - IFMIF
Hassen Jenhani (CEA)
116. Summary of WG
94. Test infrastructure and their test programs
46. • Study of helium and heat transport dynamics in CW operation
Dr Axel Neumann (Scientist, SRF)
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